<p><a href="http://example.com" title="Title">single quotes</a></p>
<p><a href="http://example.com" title="Title">double quotes</a></p>
<p><a href="http://example.com" title="">single quotes blank</a></p>
<p><a href="http://example.com" title="">double quotes blank</a></p>
<p><a href="http://example.com" title="2 Words">space</a></p>
<p><a href="http://example.com/url-(parentheses)" title="Title">parentheses</a></p>